Extending the Auto-Rx Clean and/or Rinse Phase(s)

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Does anything bad happen if the Auto-Rx clean and/or rinse phase(s) are extended, and would the mileage limit for an extended ARX application be that of the oil's useful life?

Does your answer differ depending on whether the problem being treated is sludge or leaks?
 
The instructions are written for a reason. 1500 miles is normally considered to be the optimal mileage in a motor that is in need of a cleaning. In otherwords, likely do not want to try and suspend any more contaminants. Likewise in the rinse phase. A fair amount of contamination is released during the rinse phase. Once again how long do you want to circulate this contamination.

In a motor known to be clean, I can say that you could extend the cycles. But most folks either don't know the internal motor content of contaminants, or find out that they are much higher than thought. Best to follow directions.
 
Follow the instructions precisely. They are there for a reason.

1500 miles on the clean phase using a new oil filter.

2000 miles on the rinse phase using a new oil filter and only conventional oil.

Change oil and filter - use conventional or synthetic oil.

The instructions are different for a car with more than 100K on it, which requires two AutoRX treatments.

Why people insist on not following the instruction is beyond my comprehension and must cause Frank to want to pull his hair out by the roots!
 
Truthfully it makes me rethink our guarantee. We work on the honor system ( we have your money your not satisfied we give it back) and we expect our customers to also.
 
As an accurate reading of the original post indicates, nowhere does it say that someone is planning to do this, is doing this or has done this.

The question is an obvious one born out of curiousity arising from reading posts in which someone is in a circumstance which will require him to exceed the mileage recommendation, and he asks for advice regarding whether to go to the next phase early because he's almost reached the suggested mileage, exceed the recommendation because he'll go over by just a relatively few miles or make some special adjustment to the usual regimen because he'll be well past the numbers in the instructions.

Many times the "change the filter and top off the oil level" answer has been given, but I've never seen any discussion regarding what will happen - good or bad - if the miles just keep accumulating.

The concerns mentioned by Rich21 are shared by me, and I certainly advocate following the directions. I'm just curious about what could or would happen under certain mileage-exceeding scenarios, whether they be in the clean and/or rinse phases. Surely this subject has come up sometime before, be it during product testing which ultimately resulted in the mileage recommendations, or during customer usage which, if negative, most likely made itself known via a complaint back to the company or to a forum such as this one.

So, after all of that, we're still left with the original question. What happens?
 
Frank will have to weigh in on this one.

I fail to see what is so difficult in following the instructions. If you were on a road trip or whatever, you could just pull into any lube joint and get the oil changed on schedule, even if it means providing your own oil and filter.

Your question/concern is moot!
 
I ran a few cleaning phases over 3000 miles (trip from MN to GA and back).

My used oil analysis showed like 17 ppm of iron....not bad for 3300 miles on supertech oil.


Even if Frank is bald he might have hair somewhere.
 
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